5305-01-641-7679
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-641-7679
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 18257
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 02/02/2015 (11 years ago)
2a thread class, hexagon head style, 6.423 inches nominal thread length, right-hand thread direction, 3.50 inches nominal fastener length
Specs & Compatibility
2a
right-hand
6.423 inches nominal
3.50 inches nominal
hexagon
1.423 inches nominal
3.380 inches nominal
+2.250 to 2.255 inches
4.50
zzzx
nickel alloy overall
unc
material controlled iaw ss800-ag-man-010/p-9290 system certification produres and criteria manual for deep submergence systems; critical item for safety and survival of deep submergence research and rescue vehicles as differentiated by special test features
Regulatory Compliance
Item does not contain precious metal.
The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0018257
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